Re: kern/60539 (XSAVE changes break ucontext userspace API)
Robert Elz <[email protected]>
| Newsgroups | gmane.os.netbsd.bugs |
|---|---|
| Message-ID | <[email protected]> |
Date: Thu, 6 Aug 2026 02:47:23 +0000
From: Taylor R Campbell <[email protected]>
Message-ID: <[email protected]>
You can laugh as much as you like, and no need to reply, I know how
absurd this would be ...
| I think such applications are likely to be inherently problematic. If
| you're doing value substitution in an FPU trap handler, and some
| AVX512 instruction operating on a 512-bit ZMM vector register traps,
And if you were doing software emulation of the AVX512 instructions,
wouldn't the trap handler need to be able to access the (emulated)
registers ?
kre